Question

A computer system has a cache memory with an access time of 10 ns and a main memory with an access time of 100 ns. If the cache hit ratio is 95%, what is the average memory access time?

Average Access Time Hit Ratio Cache Access Time Miss Ratio Main Memory Access Time 0.95 10 ns 0.05 100 ns 9.5 ns 5 ns 14.5 ns

A 10 ns

B 14.5 ns

C 19 ns

D 55 ns

E 95 ns

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